Safety Calculators For
Highway Weather Factors

Fahrenheit to Celsius
This conversion of temperature is made using the formula (Fahrenheit temperature * 9/5) + 32) If you need a different scale, try this!

Enter °F

Calculated Temperature = °C

Celsius to Fahrenheit
This conversion of temperature is made using the formula (5/9 * (Celsius temperature - 32)) If you need a different scale, try this!

Enter °C

Calculated Temperature = °F

Wind Chill
Wind chill cannot be accurately calculated for outside air temperatures (OAT) greater that 50 °F (10 °C) and wind speeds less than 4 MPH (3.5 Knots).

Enter Temperature (OAT) °F °C

Enter Wind MPH Knots

Calculated Wind Chill = °F or °C

Heat Index
Determine the heat index from the outside air temperature (OAT) and Relative Humidity.

Enter Temperature (OAT) °F °C

Enter % Relative Humidity

Calculated Heat Index = °F or °C

Dewpoint
Calculate the Dewpoint from the outside air temperature (OAT) and Relative Humidity

Enter Temperature (OAT) °F °C

Enter % Relative Humidity

Calculated Dewpoint = °F °C

Relative Humidity
Calculate the Relative Humidity from the outside air temperature (OAT) and Dewpoint

Enter Temperature (OAT) °F °C

Enter Dewpoint °F °C

Calculated Relative Humidity = %

Pressure Conversion
Convert Millibars to Inches of Mercury and Inches of Mercury to Millibars

Enter Millibars Inches Mercury

Converted Barometric Pressure =

Version 3.7.8

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Free Information Calculators and Converters

Highway Weather Factors

Safety Calculators For Highway Weather Factors

Safety Calculators For
Highway Weather Factors